the whole environment in hp of freedom, of thinking. the assumption is that sometimes we are going to fade. that's what makes this fascinating because the road is not made. you are making a road. sometimes you take the road back, but you correct it and you reach your goal. >> at hp, he's done innovative work inside the health care and transportation industries, creating models to make them more operational and efficient. but it's his work on the outside nurturing future mathematicians and researchers that is solidifying his legacy. >> we have stories of difficult lives who achieve a goal. what's not so common is to find people who want to give in that way back and he wants to just be part of that to help that happen. >> i am not a religious person, but i start thinking, hey, this math can be applied to create better world. i want to make a difference to hp and make a difference in society, create a better world. >> steve: what a life. he continues to give back to mexico and throughout latin america where he was brought up. over 100 men